package com.manster.security;

import cn.hutool.json.JSONUtil;
import com.manster.util.Const;
import com.manster.util.JwtUtils;
import com.manster.util.R;
import org.springframework.security.core.Authentication;
import org.springframework.security.web.authentication.logout.LogoutSuccessHandler;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * 用户退出处理器
 * @Author manster
 * @Date 2022/3/16
 **/
@Component
public class JwtLogoutSuccessHandler implements LogoutSuccessHandler {
    @Override
    public void onLogoutSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {
        if(authentication != null){
            new SecurityContextLogoutHandler().logout(request, response, authentication);
        }

        response.setContentType("application/json;charset=UTF-8");
        ServletOutputStream outputStream = response.getOutputStream();
        response.setHeader(Const.HEADER,"");

        R r = R.success();

        outputStream.write(JSONUtil.toJsonStr(r).getBytes("UTF-8"));
        outputStream.flush();
        outputStream.close();


    }
}
